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公开(公告)号:KR102068116B1
公开(公告)日:2020-01-20
申请号:KR1020180021119
申请日:2018-02-22
Applicant: 가톨릭관동대학교산학협력단
Inventor: 이웅균 , 김운겸 , 김민수 , 김민성
IPC: E04B5/32 , E04C5/065
公开(公告)号:KR102102433B1
公开(公告)日:2020-04-20
申请号:KR1020200003452
申请日:2020-01-10